Practice Set 2 question answer - computer mcq Online Quiz (set-1) For All Competitive Exams

Q-1)   The memory management, y one clock policy is applied then the page first loaded into a frame in memory its use bit is set to

(a)

(b)

(c)

(d)


Q-2)   The only state transition initiated by the user process itself in an operating system is

(a)

(b)

(c)

(d)


Q-3)   Following is/are operating system used in computers

(a)

(b)

(c)

(d)


Q-4)   The total time to prepare a disk drive mechanism for a block of data to be read from it is

(a)

(b)

(c)

(d)


Q-5)   Which O/I are best method for allocating?

(a)

(b)

(c)

(d)


Q-6)   In semaphore when the order of processes that are waiting to be removed from the queue is first in first out (FIFO) then it is called

(a)

(b)

(c)

(d)


Q-7)   UNIX is a

(a)

(b)

(c)

(d)


Q-8)   Instruction processing consists of

(a)

(b)

(c)

(d)


Q-9)   Thrashing

(a)

(b)

(c)

(d)


Q-10)   UNIX recognizes following I/O devices

(a)

(b)

(c)

(d)